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/* $OpenBSD: cd.h,v 1.3 2005/05/27 16:07:51 krw Exp $ */
/* $NetBSD: scsi_cd.h,v 1.6 1996/03/19 03:06:39 mycroft Exp $ */
/*
* Written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
#ifndef _SCSI_CD_H
#define _SCSI_CD_H 1
/*
* Define two bits always in the same place in byte 2 (flag byte)
*/
#define CD_RELADDR 0x01
#define CD_MSF 0x02
/*
* SCSI command format
*/
struct scsi_pause {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[6];
u_int8_t resume;
u_int8_t control;
};
#define PA_PAUSE 1
#define PA_RESUME 0
struct scsi_play_msf {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused;
u_int8_t start_m;
u_int8_t start_s;
u_int8_t start_f;
u_int8_t end_m;
u_int8_t end_s;
u_int8_t end_f;
u_int8_t control;
};
struct scsi_play_track {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t start_track;
u_int8_t start_index;
u_int8_t unused1;
u_int8_t end_track;
u_int8_t end_index;
u_int8_t control;
};
struct scsi_play {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t blk_addr[4];
u_int8_t unused;
u_int8_t xfer_len[2];
u_int8_t control;
};
struct scsi_play_big {
u_int8_t opcode;
u_int8_t byte2; /* same as above */
u_int8_t blk_addr[4];
u_int8_t xfer_len[4];
u_int8_t unused;
u_int8_t control;
};
struct scsi_play_rel_big {
u_int8_t opcode;
u_int8_t byte2; /* same as above */
u_int8_t blk_addr[4];
u_int8_t xfer_len[4];
u_int8_t track;
u_int8_t control;
};
struct scsi_read_header {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t blk_addr[4];
u_int8_t unused;
u_int8_t data_len[2];
u_int8_t control;
};
struct scsi_read_subchannel {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t byte3;
#define SRS_SUBQ 0x40
u_int8_t subchan_format;
u_int8_t unused[2];
u_int8_t track;
u_int8_t data_len[2];
u_int8_t control;
};
struct scsi_read_toc {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[4];
u_int8_t from_track;
u_int8_t data_len[2];
u_int8_t control;
};
;
struct scsi_read_cd_capacity {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t addr[4];
u_int8_t unused[3];
u_int8_t control;
};
struct scsi_load_unload {
u_int8_t opcode;
u_int8_t reserved;
#define IMMED 0x1
u_int8_t reserved2[2];
u_int8_t options;
#define START 0x1
#define LOUNLO 0x2
u_int8_t reserved4[3];
u_int8_t slot;
u_int8_t reserved5[2];
u_int8_t control;
};
/*
* Opcodes
*/
#define READ_CD_CAPACITY 0x25 /* slightly different from disk */
#define READ_SUBCHANNEL 0x42 /* cdrom read Subchannel */
#define READ_TOC 0x43 /* cdrom read TOC */
#define READ_HEADER 0x44 /* cdrom read header */
#define PLAY 0x45 /* cdrom play 'play audio' mode */
#define PLAY_MSF 0x47 /* cdrom play Min,Sec,Frames mode */
#define PLAY_TRACK 0x48 /* cdrom play track/index mode */
#define PLAY_TRACK_REL 0x49 /* cdrom play track/index mode */
#define PAUSE 0x4b /* cdrom pause in 'play audio' mode */
#define PLAY_BIG 0xa5 /* cdrom pause in 'play audio' mode */
#define LOAD_UNLOAD 0xa6 /* cdrom load/unload media */
#define PLAY_TRACK_REL_BIG 0xa9 /* cdrom play track/index mode */
struct scsi_read_cd_cap_data {
u_int8_t addr[4];
u_int8_t length[4];
};
struct cd_audio_page {
u_int8_t page_code;
#define CD_PAGE_CODE 0x3F
#define AUDIO_PAGE 0x0e
#define CD_PAGE_PS 0x80
u_int8_t param_len;
u_int8_t flags;
#define CD_PA_SOTC 0x02
#define CD_PA_IMMED 0x04
u_int8_t unused[2];
u_int8_t format_lba;
#define CD_PA_FORMAT_LBA 0x0F
#define CD_PA_APR_VALID 0x80
u_int8_t lb_per_sec[2];
struct port_control {
u_int8_t channels;
#define CHANNEL 0x0F
#define CHANNEL_0 1
#define CHANNEL_1 2
#define CHANNEL_2 4
#define CHANNEL_3 8
#define LEFT_CHANNEL CHANNEL_0
#define RIGHT_CHANNEL CHANNEL_1
#define MUTE_CHANNEL 0x0
#define BOTH_CHANNEL LEFT_CHANNEL | RIGHT_CHANNEL
u_int8_t volume;
} port[4];
#define LEFT_PORT 0
#define RIGHT_PORT 1
};
/*
* There are 2352 bytes in a CD digital audio frame. One frame is 1/75 of a
* second, at 44.1kHz sample rate, 16 bits/sample, 2 channels.
*
* The frame data have the two channels interleaved, with the left
* channel first. Samples are little endian 16-bit signed values.
*/
#define CD_DA_BLKSIZ 2352 /* # bytes in CD-DA frame */
#define CD_NORMAL_DENSITY_CODE 0x00 /* from Toshiba CD-ROM specs */
#define CD_DA_DENSITY_CODE 0x82 /* from Toshiba CD-ROM specs */
#endif
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